Answer:
Step-by-step explanation:
parabola equation with vertex (0 , 0) and focus length |f| = 7
4*f*(x - h) = (y - k)²
4*7*(x-0)=(y-0)²
28x = y²
Can someone answer this?
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Let be "l" the number of CDs Ms.Kitts sold last week, and "t" the number of CDs she sold this week.
You need to remember that:
1. The word "times" indicates a multiplication.
2. The word "more" indicates addition.
Then, the sentence "Last week she sold 6 more than 3 times the number of CDs that she sold this week" can be represented with equation:
According to the information given in the exercise, the sum of the number of CDs Ms. Kitts sold last week and this week is: 110 CDs.
Since a sum is the result an Addition, you can write the following equation:
Therefore, the System of equations that can be used to find the number of CDs she sold last week and the number of CDs she sold this week, is: